s
FEATURES
q
Slim type relay for high density mounting
q
CSA recognized
q
Conforms to IEC60950, Bellcore specification and FCC
Part 68
--Clearance more than 2.0 mm between coil and contacts
--Creepage more than 2.5 mm between coil and contacts
--Dielectric strength 2,000 VAC between coil and contacts
--Surge strength 3,000 V between coil and contacts (at 2
10
s surge wave)
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High sensitivity and low consumption power
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Latching type available
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High reliability--bifurcated contacts
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Plastic sealed type
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Conforms to UL (under approval)
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SMT is available: BAS
(a)
Series Name
BA : BA Series
(b)
Operation Function
Nil : Standard type
L : Latching type
(c)
Number of Coil
Nil : Single winding type
D : Double winding type
(d)
Nominal Voltage
Refer to the COIL DATA CHART
(e)
Contact
W : Bifurcated type
(g)
Enclosure
K : Plastic sealed type
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ORDERING INFORMATION
BA
L
D
12
W
K
[Example]
(a)
(b) (*) (c) (d) (e) (g)
Note: Actual marking omits the hyphen (-) of (*)
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SAFETY STANDARD AND FILE NUMBERS
CSA CERTIFIED NRTL/C to C22.2 No. 14 No. 950 (File No. LR35579), UL 508, 1950 (File No. E45026)
Relay type
Nominal voltage
Contact rating
BA
0.5 A
125 VAC
BAL
1.5 to 48 VDC
2 A
30 VDC
resistive
BALD
0.3 A
110 VDC
1
BA SERIES
MINIATURE RELAY
2 POLES--1 to 2 A
(FOR SIGNAL SWITCHING)
2
BA SERIES
Standard
Single Winding
Double Winding
Latching Type
Latching
Item
BA-( ) W-K
BAL-( ) W-K
BAL-D ( ) W-K
Contact
Arrangement
2 form C (DPDT)
Material
Gold overlay silver alloy
Style
Bifurcated
Resistance (initial) (at 1 A 6 VDC)
Maximum 50 m
Rating (resistive)
0.5 A 125 VAC or 1 A 30 VDC
Maximum Carrying Current
2 A
Maximum Switching Power
62.5 AV, 30 W
Maximum Switching Voltage
250 VAC, 220 VDC
Maximum Switching Current
2 A
Minimum Switching Load*
1
0.01 mA 10 mVDC
Capacitance
Approximately 0.5 pF (between open contacts, adjacent contacts)
Approximately 1.0 pF (between coil and contacts)
Coil
Nominal Power (at 20
C)
0.25 to 0.36 W 0.2 W
0.36 W
Operate Power (at 20
C)
0.14 to 0.2 W 0.15 W 0.205 W
Operating Temperature
40
C to +70
C (no frost) (refer to the CHARACTERISTIC DATA)
Time Value
Operate (at nominal voltage)
Maximum 6 ms Maximum 6 ms (set)
Release (at nominal voltage)
Maximum 4 ms Maximum 6 ms (reset)
Insulation
Resistance (at 500 VDC)
Minimum 1,000 M
between open contacts
1,000 VAC 1 minute
Dielectric
between adjacent contacts
Strength
between coil and contacts
2,000 VAC 1 minute
1,000 VAC 1 minute
Surge Strength
3,000 V (at 2
10
s)
1,500 V (at 10
160
s)
Life
Mechanical
1
10
7
operations minimum
Electrical
2
10
5
operations minimum (0.5 A 125 VAC)
5
10
5
operations minimum (1 A 30 VDC)
Other
Vibration Misoperation
10 to 55 Hz (double amplitude of 3.3 mm)
Resistance Endurance
10 to 55 Hz (double amplitude of 5.0 mm)
Shock Misoperation
500 m/s
2
(11
1 ms)
Resistance Endurance
1,000 m/s
2
( 6
1 ms)
Weight
Approximately 1.9 g
*
1
Minimum switching loads mentioned above are reference values. Please perform the confirmation test with the actual
load before production since reference values may vary according to switching frequencies, environmental conditions
and expected reliability levels.
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SPECIFICATIONS
3
BA SERIES
Nominal
Coil resistance
Must operate
Must release
Nominal
MODEL
voltage
(
10%)
voltage*
1
voltage*
1
power
BA-1.5 W-K
1.5 VDC
9
+1.13 VDC
+0.15 VDC
250 mW
BA- 3 W-K
3 VDC
36
+2.25 VDC
+0.3 VDC
250 mW
BA-4.5 W-K
4.5 VDC
81
+3.38 VDC
+0.45 VDC
250 mW
BA- 5 W-K
5 VDC
100
+3.75 VDC
+0.5 VDC
250 mW
BA- 6 W-K
6 VDC
144
+4.5 VDC
+0.6 VDC
250 mW
BA- 9 W-K
9 VDC
324
+6.75 VDC
+0.9 VDC
250 mW
BA- 12 W-K
12 VDC
576
+9.0 VDC
+1.2 VDC
250 mW
BA- 18 W-K
18 VDC
1,296
+13.5 VDC
+1.8 VDC
250 mW
BA- 24 W-K
24 VDC
2,304
+18.0 VDC
+2.4 VDC
250 mW
BA- 48 W-K
48 VDC
6,400
+36.0 VDC
+4.8 VDC
360 mW
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COIL DATA CHART
Standard T
ype
Note: *1 Specified values are subject to pulse wave voltage.
All values in the table are measured at 20
C.
Nominal
Coil resistance
Set
Reset
Nominal
MODEL
voltage
(
10%)
voltage*
1
voltage*
1
power
BAL-1.5 W-K
1.5 VDC
11.25
+1.13 VDC
1.13 VDC
200 mW
BAL- 3 W-K
3 VDC
45
+2.25 VDC
2.25 VDC
200 mW
BAL-4.5 W-K
4.5 VDC
101
+3.38 VDC
3.38 VDC
200 mW
BAL- 5 W-K
5 VDC
125
+3.75 VDC
3.75 VDC
200 mW
BAL- 6 W-K
6 VDC
180
+4.5 VDC
4.5 VDC
200 mW
BAL- 9 W-K
9 VDC
405
+6.75 VDC
6.75 VDC
200 mW
BAL- 12 W-K
12 VDC
720
+9.0 VDC
9.0 VDC
200 mW
BAL- 18 W-K
18 VDC
1,620
+13.5 VDC
13.5 VDC
200 mW
BAL- 24 W-K
24 VDC
2,880
+18.0 VDC
18.0 VDC
200 mW
BAL-D1.5 W-K
1.5 VDC
P 6.25
+1.13 VDC
360 mW
S 6.25
+1.13 VDC
BAL-D 3 W-K
3 VDC
P 25
+2.25 VDC
360 mW
S 25
+2.25 VDC
BAL-D4.5 W-K
4.5 VDC
P 56.3
+3.38 VDC
360 mW
S 56.3
+3.38 VDC
BAL-D 5 W-K
5 VDC
P 69.4
+3.75 VDC
360 mW
S 69.4
+3.75 VDC
BAL-D 6 W-K
6 VDC
P 100
+4.5 VDC
360 mW
S 100
+4.5 VDC
BAL-D 9 W-K
9 VDC
P 225
+6.75 VDC
360 mW
S 225
+6.75 VDC
BAL-D 12 W-K
12 VDC
P 400
+9.0 VDC
360 mW
S 400
+9.0 VDC
BAL-D 18 W-K
18 VDC
P 900
+13.5 VDC
360 mW
S 900
+13.5 VDC
BAL-D 24 W-K
24 VDC
P 1,600
+18.0 VDC
360 mW
S 1,600
+18.0 VDC
Single Winding Latching
T
ype
Double Winding Latching
T
ype
P: Primary coil S: Secondary coil
Note: *1 Specified values are subject to pulse wave voltage.
All values in the table are measured at 20
C.
4
BA SERIES
s
CHARACTERISTIC DATA
5
BA SERIES
s
REFERENCE DATA
100
60
40
20
0
1
2
3
4
5
6
7
80
Distribution of Operate & Release Time
Time (ms)
Distribution (%)
BA-5W-K
n=200
Operate
Release
6
BA SERIES
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DIMENSIONS
q
Dimensions
q
Schematics
(Bottom View)
q
PC board mounting
hole layout
(Bottom view)
BA, BAL, BA-WD type (Non-latching, single winding latching, MBB type)
BAL-D type (Double winding latching type)
Unit: mm
2002 Fujitsu Components America, Inc. All company and product names are trademarks or registered trademarks
of their respective owners. Rev. 03/2002
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Email: marcom@fcai.fujitsu.com
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